Downward underflow water distribution system
The utility model discloses a downward underflow water distribution system which comprises a water inlet tank (1), a filler layer (21) and a plant layer (22) are sequentially arranged in the water distribution tank (2) from bottom to top; the water inlet end of the water distribution device (3) is c...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a downward underflow water distribution system which comprises a water inlet tank (1), a filler layer (21) and a plant layer (22) are sequentially arranged in the water distribution tank (2) from bottom to top; the water inlet end of the water distribution device (3) is communicated with the water outlet end of the water inlet tank (1), and the water distribution device (3) is provided with a plurality of water distribution holes (331) positioned in the filler layer (21); the water inlet end of the water collecting tank (4) is communicated with the water outlet end of the water distributing tank (2); the water inlet end of the backflow device (5) is communicated with the water outlet end of the water collecting tank (4), and the backflow device (5) is provided with a plurality of backflow holes located in the filler layer (21). Compared with the prior art, the downstream underflow water distribution system disclosed by the utility model can improve the sewage treatment capacity.
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